Most Frequently Asked Array Interview Questions

Problem TitleDifficultyFrequency in Interviews
2sum
Easy
Water In Mountains
Hard
3sum
Medium
Largest Sum Of Subarray
Easy
Combine Intervals
Medium
Maximize Profits In The Stock Market
Easy
Array Product
Medium
Search Rotated Array
Medium
Largest Container With Water
Medium
Total Subarray Sums
Medium
Swirling Grid
Medium
Lowest Missing Positive Integer
Hard
Subarray Sums Divisible By K
Medium
Pour Water
Medium
Jump Game II
Hard
Fibonacci
Easy
Maximum Sequence Of Consecutive Numbers
Hard
Largest Product Subarray
Medium
Largest Rectangle In Histogram
Hard
Absent Integer
Easy
Identify Repeated Number
Medium
Find Peak Element
Medium
Distinct Paths
Medium
Degree Of An Array
Easy
Identify Smallest In Modified Sorted Array
Medium
Product Subarrays Less Than K
Medium
Maximize Profits In The Stock Market II
Easy
K Difference Pairs
Easy
Closest Distance To Word III
Easy
Find Insert Index
Easy
Is Triangle Integer
Medium
Maximize Profits In The Stock Market III
Hard
Max Product Of Three
Easy
Majority In Array
Easy
Split Array I
Easy
Find Pivot Index
Easy
Add Minimums In Subarrays
Medium
Largest Swap Number
Medium
Absent Ranges
Medium
Maximize Distance To Closest Person
Easy
Largest Increasing Subsequence
Easy
Chunk Up Sorted
Medium
Lowest Cost To Climb Stairs
Easy
Shortest Sorted Subarray
Easy
Third Largest Number
Easy
Disjoint Interval Partitioning
Medium
Best Time To Buy And Sell Stock With Transaction Fee
Medium
Create Unique Array
Medium
Find K Th Smallest Pair Distance
Hard
Find Minimum In Rotated Sorted Array II
Hard
Turbulent Subarrays
Medium
Longest Line In Matrix
Medium
Max Consecutive Ones
Easy
Triplet Sum
Medium
Single Pixel II
Medium
Single Pixel I
Medium
Nested Arrays
Medium
Teemo Attacking
Medium
Appropriate Aged Friends
Medium
Monotone Increasing String
Medium
Largest Number At Least Twice Of Others
Easy
Maximum Absolute Difference In Arrays
Easy
Sum Of Range
Medium
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Riot Games
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Robinhood
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Drawbridge
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Evernote
Qualcomm
Citrix
Symantec
Box
Zynga
Dropbox
Audible
Zulily
FactSet
HTC
Dataminr
Alation
HBO
GE Digital
Deutsche Bank
Databricks
Gilt Groupe
DiDi
Pure Storage
MAQ Software
Asana
Cloudera
Jump Trading
Sumologic
Radius
Helix
Valve
C3 IoT
Lending Club
Dell
Yatra
akamai
Netsuite
Opendoor
Arista Networks
TandemG
Pure
TripleByte
Akuna
Sina
Netflix
InMobi
Meituan
Fallible
EMC
Goo
Quip
Pony.ai
Karat
druva
Jingchi
Blizzard
Sort By: Problem Type
Array
Backtracking
Binary Indexed Tree
Binary Search
Bit Manipulation
Brainteaser
Breadth-first Search
Depth-first Search
Divide and Conquer
Dynamic Programming
Graph
Greedy
Hash Table
Heap
Linked List
Math
Queue
Recursion
Segment Tree
Sliding Window
Sort
Stack
String
Topological Sort
Tree
Trie
Two Pointers
Union Find

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